Home / 185,534.78-256,037.90-100,651.83

Finding the Fourth Proportional to 185,534.78, 256,037.90 and 100,651.83

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Solution

The fourth proportional to 185,534.78, 256,037.90 and 100,651.83 is: 138,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,534.78 : 256,037.90 = 100,651.83 : x
  2. Step 2: Convert to fraction form
    185,534.78/256,037.90 = 100,651.83/x
  3. Step 3: Cross multiply
    185,534.78x = 256,037.90 × 100,651.83
  4. Step 4: Simplify right side
    185,534.78x = 25,770,682,681.10
  5. Step 5: Solve for x
    x = 25,770,682,681.10/185,534.78
  6. Step 6: Final answer
    x = 138,899.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.